Fig. 4From: The value of contrast-enhanced ultrasonography in the diagnosis of primary testicular non-neoplastic and neoplastic lesions in adultsTesticular embryonal carcinoma. A Conventional ultrasonography showed that the right testis had an unclear boundary, irregularly shaped and uneven hypoechoic signals, and a little blood flow around it. B A large area of necrosis was evident in the center of the CEUS with high enhancement in the periphery. R: Right testis; L: left testisBack to article page